Web developmentBeginner

jQuery

Read and maintain the library behind millions of sites.

jQuery still appears in huge amounts of production code. Learn selection, DOM updates, events, effects and AJAX, then when to reach for modern browser APIs instead.

10 lessons 26 hours Certificate included Self-paced

Start the first lesson View curriculum

Reviewed and updated October 2026 · Free to start

What you will learn

By the end, you can do this.

Read and write jQuery safely
Handle events and DOM updates
Make AJAX requests with error handling
Migrate a widget to modern JavaScript

Curriculum

10 lessons in 1 module

290 practice drills included for extra repetition

0/10 complete

01Why jQuery existsUnderstand the problems jQuery solved and the problems it did not. Challenge 11 min 02Selection and chainingWrap elements, filter collections and chain operations. Challenge 12 min 03DOM manipulationUpdate text, HTML, classes and children without clobbering state. Challenge 13 min 04Events and delegationAttach, remove and delegate events for dynamic content. Challenge 13 min 05Effects and animationShow, hide, fade and slide without fighting CSS transitions. Challenge 12 min 06AJAX with jQueryRequest JSON, handle failures and update the page safely. Challenge 14 min 07Forms and validationSerialize forms, prevent double submits and show field errors. Challenge 13 min 08Plugins and utilitiesUse $.extend, $.each and data attributes without over-engineering. Challenge 12 min 09Performance and migrationFind jQuery bottlenecks and migrate a widget to modern JavaScript. Challenge 15 min 10Build a filter widgetBuild a searchable card list with delegation, AJAX and accessible empty states. Challenge 20 min

Certification

Finish the course. Prove the skill.

Complete every lesson, then pass a timed assessment to earn the jQuery Certificate. Each credential has a unique ID and a QR code that resolves to a live public record.

10 randomized questions
30 minute limit · 80% to pass
3 attempts per enrolment
Verifiable by QR or credential ID

Certification details Verify a credential

Pro members get five certification attempts and unlimited timed mock exams. Compare Pro

EduByte.tech

EduByte · Skills certificationIssued 26 Oct 2026

This certifies that

Your name

has successfully completed the assessed program

jQuery

Read and write jQuery safelyHandle events and DOM updatesMake AJAX requests with error handling

jQuery

By the end, you can do this.

10 lessons in 1 module

Finish the course. Prove the skill.

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